A belly is something all humans, and animals, have. But it’s also something else…
A fiddle is a violin. As a verb, to fiddle means not only ‘to play the violin,’ but also ‘to make fussy movements with your hands.’ Figuratively, to fiddle means ‘to manipulate something in order to adjust it.’ Colloquially, and often followed by the preposition around, to fiddle means ‘to waste time’…